/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 东莞呵呵
 * Date:2022-04-19
 * Time:20:19
 */
public class Test {
    public static void main(String[] args) {
        int a=1;
        int b=2;
        double c=(double)a/(double)b;
        System.out.println(c);
    }
}
